diff options
| author | David Crocker <dcrocker@eschertech.com> | 2020-05-11 11:10:31 +0300 |
|---|---|---|
| committer | David Crocker <dcrocker@eschertech.com> | 2020-05-11 11:10:31 +0300 |
| commit | 2160bdb973f3e86d0c0311207994c9ee3f9095c2 (patch) | |
| tree | cd3c5b9a827df9f6757b6af062acda9f4bcc6f4e /src/DuetM | |
| parent | 1726065fe6b7c1a4c1eaf2a5de5e9abe43051bb1 (diff) | |
Added support for ST7567 LCD controllers
Also moved pin definitions for interfacing to W5500 and ESP8266 into
this project from CoreNG
Diffstat (limited to 'src/DuetM')
| -rw-r--r-- | src/DuetM/Pins_DuetM.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/DuetM/Pins_DuetM.h b/src/DuetM/Pins_DuetM.h index d2a45449..33ff5e36 100644 --- a/src/DuetM/Pins_DuetM.h +++ b/src/DuetM/Pins_DuetM.h @@ -166,8 +166,10 @@ constexpr uint32_t ExpectedSdCardSpeed = 15000000; // This assumes that the Vih specification is met, which is 0.7 * Vcc = 3.5V @ Vcc=5V // The Duet Maestro level shifts all 3 LCD signals to 5V, so we meet the Vih specification and can reliably run at 2MHz. // For other electronics, there are reports that operation with 3.3V LCD signals may work if you reduce the clock frequency. +// The ST7567 specifies minimum clock cycle time 50ns i.e. 20MHz @ Vcc=3.3V constexpr uint32_t LcdSpiClockFrequency = 2000000; // 2.0MHz constexpr Pin LcdCSPin = PortCPin(9); +constexpr Pin LcdA0Pin = PortAPin(21); constexpr Pin LcdBeepPin = PortAPin(15); constexpr Pin EncoderPinA = PortBPin(5); constexpr Pin EncoderPinB = PortCPin(3); @@ -250,7 +252,7 @@ constexpr PinEntry PinTable[] = { ATX_POWER_PIN, PinCapability::write, "pson" }, { PortBPin(2), PinCapability::rw, "urxd" }, { PortBPin(3), PinCapability::rw, "utxd" }, - { PortAPin(21), PinCapability::ainrw, "exp.pa21" }, + { PortAPin(21), PinCapability::ainrw, "exp.pa21" }, // also used by ST7567 LCD controllers { PortAPin(22), PinCapability::ainrw, "exp.pa22" }, { PortAPin(3), PinCapability::rw, "exp.pa3,twd0" }, { PortAPin(4), PinCapability::rw, "exp.pa4,twck0" }, @@ -262,6 +264,16 @@ constexpr unsigned int NumNamedPins = ARRAY_SIZE(PinTable); bool LookupPinName(const char *pn, LogicalPin& lpin, bool& hardwareInverted) noexcept; // Duet pin numbers to control the W5500 interface +#define W5500_SPI SPI +#define W5500_SPI_INTERFACE_ID ID_SPI +#define W5500_SPI_IRQn SPI_IRQn +#define W5500_SPI_HANDLER SPI_Handler + +constexpr Pin APIN_W5500_SPI_MOSI = APIN_SPI_MOSI; +constexpr Pin APIN_W5500_SPI_MISO = APIN_SPI_MISO; +constexpr Pin APIN_W5500_SPI_SCK = APIN_SPI_SCK; +constexpr Pin APIN_W5500_SPI_SS0 = APIN_SPI_SS0; + constexpr Pin W5500ResetPin = PortCPin(13); // Low on this in holds the W5500 in reset constexpr Pin W5500SsPin = PortAPin(11); // SPI NPCS pin to W5500 constexpr Pin W5500IntPin = PortAPin(23); // Interrupt from W5500 |